Geeta borrowed some money at the rate of 6% p.a for the first two years, at the rate of 9% p.a for the next three years, and at the rate of 14% p.a for the period beyond five years. If she pays a total interest of Rs.11400 at the end of nine years, how much did she boorrow?

• A. `Rs 10,000
• B. Rs 11,000
• C. Rs 12,000
• D. Rs 14,000